本文根据一个简单的user表为例,展示 springboot集成mybatis,再到前端分页完整代码(新手自学,不足之处欢迎纠正);
先看java部分
pom.xml 加入
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<!--支持 Web 应用开发,包含 Tomcat 和 spring-mvc。 -->
<dependency> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--模板引擎-->
<dependency> <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--Mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version> 1.2 . 2 </version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version> 3.2 . 8 </version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version> 1.3 . 2 </version>
</dependency>
<!-- mybatis pagehelper -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version> 3.6 . 3 </version>
</dependency>
<!--Mysql / DataSource-->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!--springboot 集成Mybatis所需jar配置 end-->
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application.properties文件
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spring.datasource.platform=mysql
spring.datasource.url=jdbc:mysql: //localhost:3306/test?useUnicode=true&characterEncoding=utf-8
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driverClassName=com.mysql.jdbc.Driver
# Advanced configuration...
spring.datasource.max-active= 50
spring.datasource.max-idle= 6
spring.datasource.min-idle= 2
spring.datasource.initial-size= 6
#create table
spring.jpa.hibernate.ddl-auto=validate
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html
spring.thymeleaf.mode=HTML5
spring.thymeleaf.encoding=UTF- 8
spring.thymeleaf.content-type=text/html
spring.thymeleaf.cache= false
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启动类 Application.java
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@SpringBootApplication
@MapperScan ( "com.boot.mapper" )
public class Application {
//定义一个全局的记录器,通过LoggerFactory获取
private final static Logger logger = LoggerFactory.getLogger(Application. class );
//----------------------------mybaits配置start-------------------------------------------
//DataSource
@Bean
@ConfigurationProperties (prefix= "spring.datasource" )
public DataSource dataSource() {
return new org.apache.tomcat.jdbc.pool.DataSource();
}
//SqlSessionFactory
@Bean
public SqlSessionFactory sqlSessionFactoryBean() throws Exception {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource());
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
sqlSessionFactoryBean.setMapperLocations(resolver.getResources( "classpath:mapper/*.xml" ));
return sqlSessionFactoryBean.getObject();
}
@Bean
public PlatformTransactionManager transactionManager() {
return new DataSourceTransactionManager(dataSource());
}
//------------------------------mybaits配置end---------------------------------
public static void main(String[] args){
System.out.println( "Hello World!" );
SpringApplication.run(Application. class , args);
}
}
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以一个简单的user对象为例
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private Integer id;
private String name;
private String password;
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controller层
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@RestController
public class UserController {
@Autowired
UserService uSer;
@RequestMapping ( "userlist" )
public Object userlist( @RequestParam (value= "pageon" ,defaultValue= "1" ) int pageon
,ModelAndView mv){
mv.addAllObjects(uSer.UserList(pageon));
return mv;
}
}
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service层
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public Map<String, Object> UserList( int pageon) {
// TODO Auto-generated method stub
Map<String,Object> map= new HashMap<String, Object>();
Page page= new Page(pageon);
page.setRowcountAndCompute(userMapper.selectPageListCount( null ));
map.put( "page" , page);
map.put( "list" , userMapper.selectPageList(map));
return map;
}
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UserMapper.xml
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<select id= "selectPageList" parameterType= "java.util.Map" resultMap= "BaseResultMap" >
select id, name, password from user order by id limit #{page.start},#{page.row}
</select>
<select id= "selectPageListCount" parameterType= "java.util.Map" resultType= "int" >
select count( 1 ) from user
</select>
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到此时后台代码结束
附加个page工具类
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package com.boot.utils;
import java.io.Serializable;
public class Page implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
public int getPageon() {
return pageon;
}
public void setPageon( int pageon) {
this .pageon = pageon;
}
public int getRowcount() {
return rowcount;
}
public void setRowcount( int rowcount) {
this .rowcount = rowcount;
}
public int getPagecount() {
return pagecount;
}
public void setPagecount( int pagecount) {
this .pagecount = pagecount;
}
public int getRow() {
return row;
}
public void setRow( int row) {
this .row = row;
}
public Page( int pageon, int row, int rowcount) {
pageNumber = 11 ;
this .pageon = pageon;
this .row = row;
this .rowcount = rowcount;
compute();
}
public Page( int pageon, int row) {
pageNumber = 11 ;
this .pageon = pageon;
this .row = row;
}
public Page( int pageon) {
pageNumber = 11 ;
this .pageon = pageon;
}
public Page() {
pageNumber = 11 ;
}
public int getPageNumber() {
return pageNumber;
}
public void setPageNumber( int pageNumber) {
this .pageNumber = pageNumber;
}
public void compute() {
if (rowcount <= 0 )
return ;
if (row <= 0 )
row = 10 ;
pagecount = rowcount % row != 0 ? rowcount / row + 1 : rowcount / row;
if (pageon > pagecount)
pageon = pagecount;
if (pageon < 1 )
pageon = 1 ;
start = (pageon - 1 ) * row;
end = pageon * row;
if (end > rowcount)
end = rowcount;
}
public int getStart() {
return start;
}
public void setStart( int start) {
this .start = start;
}
public int getEnd() {
return end;
}
public void setEnd( int end) {
this .end = end;
}
public void setRowcountAndCompute( int rowcount) {
this .rowcount = rowcount;
compute();
}
protected int pageon;
protected int rowcount;
protected int pagecount;
protected int row;
protected int start;
protected int end;
protected int pageNumber;
}
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前端代码开始
statis目录下加入如下几个文件
在templates目录下建立一个前端分页工具页面 page.html,(虽然代码不多,封装这点东西花费我半天时间!!)
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<!DOCTYPE html >
<html xmlns= " http://www.w3.org/1999/xhtml "
xmlns:th= " http://www.thymeleaf.org " >
<head th:fragment= "page" >
<link rel= "stylesheet" th:href= "@{/css/pagestyle.css}" rel= "external nofollow" />
<script type= "text/javascript" th:src= "@{/js/jquery-3.1.1.min.js}" ></script>
<script th:inline= "javascript" >
(function($) {
/*<![CDATA[*/
var count=[[${page.pagecount}]];
var start=[[${page.pageon}]];
/*]]>*/
var url=$("#page").attr('url');
var displaycnt=count>10?10:count;
fenye(count,start,url,displaycnt);
})(jQuery);
function fenye(count,start,url,displaycnt){
/*<![CDATA[*/
if(count<2)
return;
/*]]>*/
$("#page").paginate({
count : count,
start : start,
display : displaycnt,
border : true,
border_color : '#fff',
text_color : '#fff',
background_color : 'pink',
border_hover_color : '#ccc',
text_hover_color : '#000',
background_hover_color : '#fff',
images : true,
mouse : 'press',
onChange: function(page_index) {
var tourl;
/*<![CDATA[*/
if(url.indexOf('?')>0)
tourl=url+'&pageon='+page_index;
else
tourl=url+'?pageon='+page_index;
window.location.href=tourl;
/*]]>*/
}
});
};
</script>
</head>
</html>
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接下来就是引用分页插件了。
在templates目录下建立userlist.html.
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<!DOCTYPE html>
<html xmlns= " http://www.w3.org/1999/xhtml "
xmlns:th= " http://www.thymeleaf.org " >
<head>
<meta charset= "UTF-8" />
<title>用户列表</title>
</head>
<body>
<div style= "width: 1000px;" >
<table style= "border-width: 1px;border-style: dashed;" >
<tr>
<td>ID</td>
<td>姓名</td>
<td>密码</td>
</tr>
<p th:each= "user:${list}" >
<tr>
<td th:text= "${user.id}" >ID</td>
<td th:text= "${user.name}" >姓名</td>
<td th:text= "${user.password}" >密码</td>
</tr>
</p>
</table>
<div id= "page" url= "/userlist" ></div>
<div th:replace= "page :: page" ></div>
</div>
</body>
</html>
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可以看到 引用分页的代码 只有两句,是不是很好用
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<div id= "page" url= "/userlist" ></div>
<div th:replace= "page :: page" ></div>
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原文链接:http://www.cnblogs.com/changhai/p/7262071.html